NFR8 Steel Stem PinionBoston Gears stem pinions feature small numbers of teeth that are cut integral to the steel shaft. Using a special, enlarged pitch diameter minimizes the undercutting of the teeth. When run with standard stock spur gears, stem pinions increase the ratios normally found in spur gear drives. Please note: Stem pinions are not intended to be operated with each other, with internal gears, or with eleven tooth spur gears. They will, however, run

Max V Value: 750 fpm

• Full Torque Stop

Pre-Lubricated: No

Click here for spec sheets: CUCTF Spec Sheet

for a nearly infinite number of ratio possibilities

Click here for spec sheets: CUCNPPA Spec Sheet

Click here for spec sheet: NAP Spec Sheet

Self sealing vanes

Center Distance: 1

Material: Molded Nylon

Bost-Bronz® bearings are also highly versatile and can be used for production and replacement requirements throughout general industry

the teeth are cut into the inside diameter while the outside diameter is kept smooth